blob: 107e03e17bff3140d25bb12c38d438edae3dcbe0 [file] [log] [blame]
/*
* Copyright 2015 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef SDK_ANDROID_SRC_JNI_VIDEOFRAME_H_
#define SDK_ANDROID_SRC_JNI_VIDEOFRAME_H_
#include <jni.h>
#include "api/video/video_frame.h"
#include "api/video/video_frame_buffer.h"
#include "api/video/video_rotation.h"
#include "rtc_base/callback.h"
#include "sdk/android/src/jni/jni_helpers.h"
namespace webrtc {
namespace jni {
class AndroidVideoBuffer : public VideoFrameBuffer {
public:
// Creates a native VideoFrameBuffer from a Java VideoFrame.Buffer.
static rtc::scoped_refptr<AndroidVideoBuffer> Create(
JNIEnv* jni,
const JavaRef<jobject>& j_video_frame_buffer);
// Similar to the Create() above, but adopts and takes ownership of the Java
// VideoFrame.Buffer. I.e. retain() will not be called, but release() will be
// called when the returned AndroidVideoBuffer is destroyed.
static rtc::scoped_refptr<AndroidVideoBuffer> Adopt(
JNIEnv* jni,
const JavaRef<jobject>& j_video_frame_buffer);
~AndroidVideoBuffer() override;
const ScopedJavaGlobalRef<jobject>& video_frame_buffer() const;
// Crops a region defined by |crop_x|, |crop_y|, |crop_width| and
// |crop_height|. Scales it to size |scale_width| x |scale_height|.
rtc::scoped_refptr<AndroidVideoBuffer> CropAndScale(JNIEnv* jni,
int crop_x,
int crop_y,
int crop_width,
int crop_height,
int scale_width,
int scale_height);
protected:
// Should not be called directly. Adopts the Java VideoFrame.Buffer. Use
// Create() or Adopt() instead for clarity.
AndroidVideoBuffer(JNIEnv* jni, const JavaRef<jobject>& j_video_frame_buffer);
private:
Type type() const override;
int width() const override;
int height() const override;
rtc::scoped_refptr<I420BufferInterface> ToI420() override;
const int width_;
const int height_;
// Holds a VideoFrame.Buffer.
const ScopedJavaGlobalRef<jobject> j_video_frame_buffer_;
};
VideoFrame JavaToNativeFrame(JNIEnv* jni,
const JavaRef<jobject>& j_video_frame,
uint32_t timestamp_rtp);
// NOTE: Returns a new video frame that has to be released by calling
// ReleaseJavaVideoFrame.
ScopedJavaLocalRef<jobject> NativeToJavaVideoFrame(JNIEnv* jni,
const VideoFrame& frame);
void ReleaseJavaVideoFrame(JNIEnv* jni, const JavaRef<jobject>& j_video_frame);
int64_t GetJavaVideoFrameTimestampNs(JNIEnv* jni,
const JavaRef<jobject>& j_video_frame);
} // namespace jni
} // namespace webrtc
#endif // SDK_ANDROID_SRC_JNI_VIDEOFRAME_H_